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belt and suspenders check of WITH_SERVICE results

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git-svn-id: svn://10.0.0.236/trunk@66940 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
jband%netscape.com 2000-04-23 23:04:40 +00:00
parent 3b642847fd
commit 2e1e95ace7
1 changed files with 4 additions and 4 deletions
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8
mozilla/js/src/xpconnect/src/nsXPConnect.cpp
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@ -757,7 +757,7 @@ nsXPConnect::DebugDumpJSStack(PRBool showArgs, PRBool showLocals, PRBool showThi
JSContext* cx;
nsresult rv;
NS_WITH_SERVICE(nsIThreadJSContextStack, stack, "nsThreadJSContextStack", &rv);
if(NS_FAILED(rv))
if(NS_FAILED(rv) || !stack)
printf("failed to get nsIThreadJSContextStack service!\n");
else if(NS_FAILED(stack->Peek(&cx)))
printf("failed to peek into nsIThreadJSContextStack service!\n");
@ -777,7 +777,7 @@ nsXPConnect::DebugDumpEvalInJSStackFrame(PRUint32 aFrameNumber, const char *aSou
JSContext* cx;
nsresult rv;
NS_WITH_SERVICE(nsIThreadJSContextStack, stack, "nsThreadJSContextStack", &rv);
if(NS_FAILED(rv))
if(NS_FAILED(rv) || !stack)
printf("failed to get nsIThreadJSContextStack service!\n");
else if(NS_FAILED(stack->Peek(&cx)))
printf("failed to peek into nsIThreadJSContextStack service!\n");
@ -797,7 +797,7 @@ void DumpJSStack()
{
nsresult rv;
NS_WITH_SERVICE(nsIXPConnect, xpc, nsIXPConnect::GetCID(), &rv);
if(NS_SUCCEEDED(rv))
if(NS_SUCCEEDED(rv) && xpc)
xpc->DebugDumpJSStack(PR_TRUE, PR_TRUE, PR_FALSE);
else
printf("failed to get XPConnect service!\n");
@ -807,7 +807,7 @@ void DumpJSEval(PRUint32 frameno, const char* text)
{
nsresult rv;
NS_WITH_SERVICE(nsIXPConnect, xpc, nsIXPConnect::GetCID(), &rv);
if(NS_SUCCEEDED(rv))
if(NS_SUCCEEDED(rv) && xpc)
xpc->DebugDumpEvalInJSStackFrame(frameno, text);
else
printf("failed to get XPConnect service!\n");